And Mourinho admits it is an honour for him to be linked with a shock return to the Spanish capital in the future.
The fee reflects the slightly-less-than two years Mourinho had remaining on his contract, an improved deal which had been agreed a year ago.
The Red Devils informed the 55-year-old that his services were no longer required at Old Trafford on December 18 .
Jose Mourinho has only been out of a job for a few weeks, but he is already set to return to our television screens.
When a professional returns or is invited to return to a club it is a tremendous honour.
It was never going to be an easy season after both Zinedine Zidane and Cristiano Ronaldo left but Julen Lopetegui had a nightmare time before being replaced by Santiago Solari. I don't really want to go there, but the best way to respect a great club [Benfica] and a great president is to say that I was not offered.
Former Manchester United manager Jose Mourinho has revealed that he never planned taking up any job in Portugal at the moment.
Recent reports had linked him with the Benfica job after Rui Vitoria was sacked, with club president Luis Filipe Vieira insisting "money would be no object" to a Mourinho return.
The Portuguese, whose reign as United manager ended last month, will offer his "forthright opinions" as a studio pundit on the Premier League clash between Arsenal and Chelsea on January 19, as well as the Asian Cup match between Qatar and Saudi Arabia two days earlier, beIN SPORTS said. It's not a gamble in the dark, the clubs are trying to hire a player or a coach they know because they've already been there.